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Preparation method of high-strength and quick-drying type carton box binder

A fast-drying adhesive technology, applied in the direction of non-polymer adhesive additives, adhesive types, protein adhesives, etc., can solve the problem of adhesive strength that is difficult to meet in high-speed production Improve the strength of the mixture, affect the quality of the carton, etc., to improve the mechanical strength and drying speed, improve the bonding performance, and ensure the effect of crosslinking

Pending Publication Date: 2017-09-01
天长市天达纸箱纸品厂
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned technical solution does not improve the strength of the adhesive, and it is difficult to meet the requirements of high-speed production for the strength of the adhesive
At the same time, borax, as the main cross-linking agent, can easily cause the adhesive layer to become brittle and degummed, which will affect the quality of the carton

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] A preparation method of high-strength quick-drying carton adhesive, comprising the following steps:

[0016] (1) Add 5kg of soybean protein to 80kg of water and heat at 35°C to dissolve completely, then adjust the pH to 3, add 1kg of tetraethylorthosilicate and 0.5kg of aluminum sulfate and mix evenly at high speed to obtain soybean protein composite sol;

[0017] (2) Add 30kg of starch, 2kg of hydrogen peroxide and 30kg of water into the container and react at 70°C for 3 hours, then add 20kg of the soybean protein composite sol obtained in step (1) and stir evenly at the same temperature. After cooling, add 0.1kg of borax and 0.05kg of borax Stir tributyl phosphate, 0.5kg filler and 40kg water for 10 minutes to obtain a high-strength quick-drying carton adhesive.

[0018] Described starch is cornstarch.

[0019] Described hydrogen peroxide mass fraction is 20%.

[0020] The high-speed mixing conditions in the step (1) are: the mixing speed is 1000r / min, and the mixin...

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PUM

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Abstract

The invention discloses a preparation method of a high-strength quick-drying type carton adhesive. The compounding of borax and aluminum ions is used as a cross-linking agent, and the compounding of soybean protein / silicon dioxide hybrid sol and oxidized starch is used as an adhesive. Network skeleton, through cross-linking mixing reaction to obtain carton adhesive. The preparation method of the invention can effectively ensure the crosslinking and bonding strength between the raw materials, prevent the invasion of water molecules, and the prepared carton adhesive has the advantages of environmental protection, water resistance, high strength and fast drying speed, and meanwhile, the adhesive layer has good flexibility, Not easy to be brittle, degummed, long service life, good appearance quality, strong practicability.

Description

technical field [0001] The invention relates to the technical field of carton adhesives, in particular to a preparation method of high-strength quick-drying carton adhesives. Background technique [0002] During the production and processing of cartons, adhesives play a vital role in the quality of cartons. With the development of my country's economy, the amount of packaging cartons is gradually increasing, and the production of cartons is developing at a high speed, which puts forward higher requirements for the strength and drying speed of carton adhesives. Among the currently commonly used adhesives, sodium silicate has the advantage of fast drying speed, but it is highly corrosive and its use is limited; although starch adhesives are cheap, green and environmentally friendly, and have rich sources of raw materials, their drying speed is relatively slow , it is difficult to meet the growing production demand. Therefore, exploring and developing starch adhesives with qu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J103/10C09J189/00C09J11/04C09J11/06
CPCC09J103/10C08K2003/3081C08K2003/387C08K2201/011C08L2312/00C09J11/04C09J11/06C08L89/00C08K13/02C08K3/36C08K3/30C08K3/38C08K5/523
Inventor 陈长兵阮学良王铜根
Owner 天长市天达纸箱纸品厂
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